Method of dephosphorizing ores.



PATENTID 9, 1908.

J. T. JONES. METHOD OF DEPHOSPHORIZING GRES.

APPLIUATION FILEI) DEG. 23, 1907.

:foeN T. 30N- Appicenion filed Deceaiiiuez' 25.4, 1%?.

To all whom may conce/2"' Be it lmowuuhet L JOHN'TL Seem, zen of the Unit-ed States, ies'liiig et on Mountain, in the @Oum-y oi Bieiiiieon emi State of l'ieiiigen, have invented new mi@ ueeui Method of Dephospiieriziiig Cms, W ich the 'foiiowing is a specificm'zion.v

\ Ly invention ieetes te en iuipi'oved Specification mi keine; il.

(Seidel Ne. M7369.

from (me er moire 'iiwyei e imo: che lower part ei precie-bie amount oi ei steek beow the epef'ii s ifie @peeing mshown tbieugh which i'hevreduoed oie withdmwn, being provided with suitable Closing Ineens (not shown).

i The he?J -zeducmg gas, e?

3 t-iiiough e the Steck. No is admitted to the gases, entering method of ieee-ting ores to e'een dephos- `through the passage iisee tiiough the eel io phoriziiig theieei, and more and manganese ores; in ei'ohei 'finely divided peeture and volume of 'the ges, sind the 1' lump form. A

MX inireiitieii is 'based upon the oiiowiiig facts: irst, that when iioii er manganese ifi/ae is subjected, foi' a 'time suieieii/ly pioM longed and While under eoniiiiement against access thereto of oxygen, te 'the action. of si. hot redueing Y tempera-tufe which Wii rendethe me'pei constituent su'iicientiy gpl-amie, without however fusing ghe siiieieus eonstitueiits, the oxid particles are iedueed to metei and caused be characterized es sponge Second, 'that as the tempera-ture to which the ore is required to be subjeoed for the ,above 12?-, pose does no#J 'reach that neceseeiy to i imi phosphorus 'lo the metal, volatiles ii-ee. i'i-om hydreeafbon fuel 'by the d eeeinpositien thegeof ami pssed though the undeig0- ing ieduetioi wiii ly combine with en phoephoi'ie seid in 'the oie and ce. f it mi.

My obueo't is 'io prevlde ou ingioved,

method of 'pioeeduife wn. ein, Wiia, img ed- Bqiventnge of the. isi-ete' above eet forth, will effec-t iepiiospiiofizetiuii :md iedueie the Ore in one oontiiuous opeiebtimi umnuei be th ei'eetive and. eeoiiomie In the acempmiying diwfing i shew, 'ei 4;) puipoee oi? iiiusfe'aien by e vie 1.* meiiily iii eectione elevation, en oie-ieiiuoing.furnace adeled for practicing my method in one ep- ;'iie'ved wey; euiieieiit of the structure only' l shown te iendei' iiiteiiigibie the fie-- ..picii of 'the operation. stack Ts oi" sui'ebie height and sions kept iileai tiiiougii iop wth ere to be treme-fl. li me oie is iii A divided condition, lumps e@ coke or o'ihef 3D i'eheetory nieeiml' may be vcharged mie fee 2` and fiischerged tiieeom,ri11ide 'force l;

and raised thereby te to aggiomera'te forming what may fiimei).n

1 -wibhdewal 0i Ge at being sol'eguleted l piaetiee that by the time the ore deseeiws past iie pfieeege i eli its mid constituents will h `Ve been. heated to a. @oxidizing sego'i permute sind thoroughiyiedueed to iiiee. The polite 57 W i ated abc-7e Te hieh me io@ filming sione, ed nit eir to permit eombusion oi' the mefe ei eos epeii as rising "Lheke'm for me purpose otf pie-heating the' o in 'the i7 L. i

me one or e piumiity niete hinged em'eis ii, @Iv the 3 onion le te piovife The 'this constitu n'piogf iieL bon, mijn I mieebeve may' .i f for @oei "ems, The heet wiiieii el is forced descamps-s ibiieeie.

i that the iieeif; io 1 which ne 037e is :subjected et ,and beve Y iiiiete 7 whie euifieient reduce *file meaf ie oxide :and @euse eggiomeietiou o@ the meta partie-lee, is ineueiem to bind piles phorus 'te the mem-i. The' piofiwz'e 0i' decomposition 0i' whim have gieet eiiinity ier theepboie e Wili eoiiee' oi* et lee-st geet-i'y eid in coiie L, and ceirjiiig' off all oi* moet of the piles-figue content of the efe. eieim; new, and desire ore 'tiie'volmiie to Secure l by le' y which consists' in. eubjeeting a mass thereof I which consists in subjecting e conned and slowly descending column thereofto the re` ducing action of reducing gas introduced into the lower part of the column, Lbhe temperature of the gas being insucient to bind phosphorus to 'the metal, and forcing into the 4descending.; column et e point near which reduction reaches completion, fresh hydrocarbon' fuel.

under confmement, to the action of reducing ges, at e reducing tc npemture insucent to bind phosphorus to the meta,` and introdu ing into tho mass, s vhle being thus subjected, i'Tesh hydrocarbon fue. 1

2. Tho mcthod of dephosphorziug ore, j which consists in subjecting a muss thereof1| under conllxcmcnt L0 the Lotion of reducing; gas, at a reducing temperature insufficient to ,bind phos )horns to the metal end focing coal into t e mass while it is being thus subjected. y e

= 3. lThemethod of dephosphorzing1` ore JOHN T. goNEs. 5 In presence o-h l 5S A. U.' THoRrEN,

" A. SCHAEFER. 

